CVE-2011-1525
CVE-2011-1525 is a critical-severity vulnerability in Realnetworks Realplayer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 12% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Realnetworks Realplayer
- Published:
- Last modified:
Description
Heap-based buffer overflow in rvrender.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, allows remote attackers to execute arbitrary code via a crafted frame in an Internet Video Recording (IVR) file.
Frequently asked questions
- What is CVE-2011-1525?
- Heap-based buffer overflow in rvrender.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.2, and RealPlayer SP 1.0 through 1.1.5, allows remote attackers to execute arbitrary code via a crafted frame in an Internet Video Recording (IVR) file.
- How severe is CVE-2011-1525?
- CVE-2011-1525 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2011-1525 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1525?
- CVE-2011-1525 primarily affects Realnetworks Realplayer. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1525?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2011-1525 published?
- CVE-2011-1525 was published on 2011-04-06 and last updated on 2026-06-16.
References
- http://aluigi.org/adv/real_5-adv.txt
- http://osvdb.org/71260
- http://secunia.com/advisories/43847
- http://securityreason.com/securityalert/8181
- http://service.real.com/realplayer/security/04122011_player/en/
- http://www.exploit-db.com/exploits/17019
- http://www.securityfocus.com/archive/1/517083/100/0/threaded
- http://www.securityfocus.com/bid/46946
- http://www.securitytracker.com/id?1025245
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66209
Affected products (24)
- cpe:2.3:a:realnetworks:realplayer:*:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:4:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:5:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:6:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:7:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:8:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.2.1744:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.2.2315:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.1:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:11_build_6.0.14.748:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:12.0.0.1444:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:12.0.0.1548:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:14.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:14.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:realnetworks:realplayer:14.0.1.609:*:*:*:*:*:*:*
More vulnerabilities in Realnetworks Realplayer
- CVE-2011-4256 — Critical (CVSS 10.0): The RV30 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 does not initialize an…
- CVE-2011-4255 — Critical (CVSS 10.0): Unspecified vulnerability in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before 12.0.0.1703 allows remote…
- CVE-2011-4254 — Critical (CVSS 10.0): RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via a crafted RTSP SETUP…
- CVE-2011-4253 — Critical (CVSS 10.0): Unspecified vulnerability in the RV20 codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before…
- CVE-2011-4250 — Critical (CVSS 10.0): Unspecified vulnerability in the ATRC codec in RealNetworks RealPlayer before 15.0.0 and Mac RealPlayer before…
- CVE-2011-4249 — Critical (CVSS 10.0): Array index error in the RV30 codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute…
All CVEs affecting Realnetworks Realplayer →
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